Query1.sql.clear;
Query1.sql.Add('select * from mytable');
Query1.prepare;
Query1.open;..... 其他运作 .....
......Query1.unprepare;
Query1.close;
Query1.sql.Add('select * from mytable');
Query1.prepare;
Query1.open;..... 其他运作 .....
......Query1.unprepare;
Query1.close;
Query1.prepare;是什么意思
我不懂,告诉我好吗?